cameronlee314 commented on a change in pull request #918: SAMZA-2094: Implement
the StartpointVisitor for the KafkaSystemConsumer.
URL: https://github.com/apache/samza/pull/918#discussion_r267008613
##########
File path:
samza-kafka/src/test/java/org/apache/samza/system/kafka/TestKafkaSystemConsumer.java
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@@ -206,6 +225,166 @@ public void testFetchThresholdBytesDiabled() {
consumer.stop();
}
+ @Test
+ public void
testStartpointSpecificOffsetVisitorShouldUpdateTheFetchOffsetInConsumer() {
+ final KafkaConsumer consumer = Mockito.mock(KafkaConsumer.class);
+ final KafkaConsumerProxy kafkaConsumerProxy =
Mockito.mock(KafkaConsumerProxy.class);
+ KafkaSystemConsumer kafkaSystemConsumer = new
KafkaSystemConsumer(consumer, TEST_SYSTEM, new MapConfig(), TEST_CLIENT_ID,
kafkaConsumerProxy, Mockito.mock(KafkaSystemConsumerMetrics.class), new
TestClock(), REGISTRATION_HANDLER);
+ KafkaStartpointRegistrationHandler kafkaStartpointRegistrationHandler =
kafkaSystemConsumer.new KafkaStartpointRegistrationHandler();
Review comment:
It seems kind of awkward to test like this, where you put in the mock
registration handler, and then create a new one to actually test with. Could
you make `KafkaStartpointRegistrationHandler` a static inner class and then
pass the necessary objects to it? In my opinion, non-static inner classes are
harder to read/maintain anyways.
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